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Comparing MSR D4K and Firefly PL09 Flashlights
Aug 23, 2024
Comparison and Review of MSR D4K and Firefly PL09 Flashlights
Introduction
Focus on two flashlights: MSR D4K and Firefly PL09.
Comparison and review format.
Highlight beam shots and specs.
Beam Shots
Indoor Shots:
White ceiling, 3-4 feet away.
Lowest setting (Moonlight setting).
Outdoor Shots:
75 yards away, highest setting (turbo).
Comparison with MSR D1 V2 (SFT 40).
Specifications
Both lights use
21700 batteries
.
Equipped with
519A emitters
(recommendation from flashlight community).
Emitter Comparison:
Previously recommended: 18650 batteries and 219B emitters.
Current preference: 21700 batteries and 519A emitters.
Emitters:
Nichia 519A has better efficiency and color rendering compared to 219B.
Design and Size
Size Comparisons:
D4K is slightly larger than D4 V2.
MSR D1 V2 has a wider head than both lights.
Carryability:
D4K and Firefly PL09 are considered pocket-carriable.
Comparison with larger DM11 flashlight.
Beam Performance
Optics:
Quad emitter TIR lenses, better light direction than reflectors.
Firefly PL09 delivers slightly better throw.
D4K has D-domed 519A for improved beam quality.
Heat Performance
Both lights get very hot on turbo setting.
Quad emitters produce more heat (4 times more than single emitter).
User Experience:
Temperatures become uncomfortable within 30 seconds of maximum brightness.
Preference for single emitter lights due to heat production.
Additional Features
Auxiliary Lights:
D4K has RGB capabilities for auxiliary lights.
Firefly PL09 has purple front-facing auxiliary lights.
Button Light Functionality:
D4K’s button prongs found uncomfortable during pocket carry.
Firefly PL09 has a button light that cannot be turned off.
Pricing
D4K priced around
$60-$70
.
Firefly PL09 priced around
$50-$60
.
Conclusion
Consider personal preferences regarding heat, button light, and design.
Both flashlights offer good performance but have specific issues.
Recommendations based on user comfort and practicality in daily use.
Final Thoughts
Engage with the community for further discussions.
Subscribe for more content and updates.
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Full transcript